113628647018 has 16 divisors (see below), whose sum is σ = 175061439240. Its totient is φ = 55275042816.

The previous prime is 113628647017. The next prime is 113628647039. The reversal of 113628647018 is 810746826311.

It can be written as a sum of positive squares in 4 ways, for example, as 110540955529 + 3087691489 = 332477^2 + 55567^2 .

It is a super-2 number, since 2×113628647018² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113628647017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1267418 + ... + 1354106.

Almost surely, 2^113628647018 is an apocalyptic number.

113628647018 is a deficient number, since it is larger than the sum of its proper divisors (61432792222).

113628647018 is a wasteful number, since it uses less digits than its factorization.

113628647018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104441.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 113628647018 in words is "one hundred thirteen billion, six hundred twenty-eight million, six hundred forty-seven thousand, eighteen".